Home / 4,445.40-6,130.02-3,102.54

Finding the Fourth Proportional to 4,445.40, 6,130.02 and 3,102.54

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Solution

The fourth proportional to 4,445.40, 6,130.02 and 3,102.54 is: 4,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.40 : 6,130.02 = 3,102.54 : x
  2. Step 2: Convert to fraction form
    4,445.40/6,130.02 = 3,102.54/x
  3. Step 3: Cross multiply
    4,445.40x = 6,130.02 × 3,102.54
  4. Step 4: Simplify right side
    4,445.40x = 19,018,632.25
  5. Step 5: Solve for x
    x = 19,018,632.25/4,445.40
  6. Step 6: Final answer
    x = 4,278.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.